Theorem 6.1 ([1]}) 
Every automorphism of \(G_F\)  is induced by an automorphism of \(GL(n, F)\) .
The group
\(\text{Aut}(G_F)\)  is generated by \(\tau \) , maps of the form \(\hat{h}\)  (with
\(h\in Aut(F)\) ) and the inner automorphisms.

